Fullstack Developer - MUST HAVE -> FLUTTER

Fullstack .NET Developer Kraków (Hybrid) | Full-time | 2+ years experience   At TISSL/part of ClearCourse Group we’re looking for a Software Engineer to join our dynamic development team and help build high-quality, scalable applications that make an impact. This role focuses primarily on frontend development using Angular and Flutter, while also supporting backend services built with C#/.NET and SQL. You’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions — and have the opportunity to grow your skills across multiple technologies.   What you’ll do: • Develop, maintain, and enhance applications using Angular and Flutter • Support backend development with C#/.NET and SQL • Design and implement RESTful APIs and integrate them with frontend applications • Ensure application security, performance, and scalability • Perform unit testing, debugging, and participate in code reviews • Collaborate in Agile sprints, contributing to planning, development, testing, and deployment • Work closely with the Product team to translate requirements into technical solutions • Stay up to date with emerging technologies and suggest process improvements   What we’re looking for: • 3+ years of software development experience • Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript frameworks • Experience with C#/.NET and SQL Server (plus NoSQL) • Familiarity with Git and Agile methodologies • Strong problem-solving skills and attention to detail • Excellent communication and teamwork skills • A proactive mindset and eagerness to learn new technologies Nice to have: • Experience with Ionic or Cordova • Knowledge of Azure or AWS cloud platforms • Familiarity with Azure Functions, Azure DevOps, and CI/CD pipelines • Experience with authentication frameworks (OAuth, JWT, IdentityServer) • Interest in cross-platform development   What We Offer: • Multisport co-financing • Private medical care (plus additional coverage) • Certification & language course support • Weekly Lunch Tuesdays and Volleyball Thursdays • Chill zone with a football table • Integration events • Collaborative, product-focused team • Opportunity to grow with a fast-evolving tech company • Involvement in meaningful projects used by real customers daily   Apply now and help us build innovative solutions that last!